Example usage for android.view MotionEvent obtain

List of usage examples for android.view MotionEvent obtain

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Introduction

In this page you can find the example usage for android.view MotionEvent obtain.

Prototype

static public MotionEvent obtain(MotionEvent other)

Source Link

Document

Create a new MotionEvent, copying from an existing one.

Usage

From source file:ugia.io.androidbeautytreatment.view.NoisySwipeRefreshLayout.java

@Override
public boolean onTouchEvent(MotionEvent event) {
    final int action = event.getAction();
    boolean handled = false;
    switch (action) {
    case MotionEvent.ACTION_DOWN:
        mCurrPercentage = 0;//from   w  w w.  j a  va2s . co  m
        mDownEvent = MotionEvent.obtain(event);
        mPrevY = mDownEvent.getY();
        break;
    case MotionEvent.ACTION_MOVE:
        if (mDownEvent != null && !mReturningToStart) {
            final float eventY = event.getY();
            float yDiff = eventY - mDownEvent.getY();
            if (yDiff > mTouchSlop) {
                // User velocity passed min velocity; trigger a refresh
                if (yDiff > mDistanceToTriggerSync) {
                    // User movement passed distance; trigger a refresh
                    setTriggerPercentage(1f);
                    handled = true;
                    break;
                } else {
                    // Just track the user's movement
                    setTriggerPercentage(
                            mAccelerateInterpolator.getInterpolation(yDiff / mDistanceToTriggerSync));
                    float offsetTop = yDiff;
                    if (mPrevY > eventY) {
                        offsetTop = yDiff - mTouchSlop;
                    }
                    updateContentOffsetTop((int) (offsetTop));
                    if (mPrevY > eventY && (mTarget.getTop() < mTouchSlop)) {
                        // If the user puts the view back at the top, we
                        // don't need to. This shouldn't be considered
                        // cancelling the gesture as the user can restart from the top.
                        removeCallbacks(mCancel);
                    }
                    mPrevY = event.getY();
                    handled = true;
                }
            }
        }
        break;
    case MotionEvent.ACTION_UP:
    case MotionEvent.ACTION_CANCEL:

        if (mCurrPercentage >= 1)
            startRefresh();

        removeCallbacks(mCancel);
        mReturnToStartPosition.run();

        mListener.onCancel();

        if (mDownEvent != null) {
            mDownEvent.recycle();
            mDownEvent = null;
        }
        break;
    }
    return handled;
}

From source file:com.aiga.events.android.views.NoScrollSwipeRefreshLayout.java

@Override
public boolean onTouchEvent(MotionEvent event) {
    final int action = event.getAction();
    boolean handled = false;
    switch (action) {
    case MotionEvent.ACTION_DOWN:
        mCurrPercentage = 0;//from ww  w  .  j  a  v a 2s . c  o m
        mDownEvent = MotionEvent.obtain(event);
        break;
    case MotionEvent.ACTION_MOVE:
        if (mDownEvent != null && !mReturningToStart && !mRefreshing && !mUserInteracting) {
            final float eventY = event.getY();
            float yDiff = eventY - mDownEvent.getY();
            if (yDiff > mTouchSlop) {
                // User velocity passed min velocity; trigger a refresh
                if (yDiff > mDistanceToTriggerSync) {
                    // User movement passed distance; trigger a refresh
                    mUserInteracting = true;
                    startRefresh();
                    handled = true;
                    break;
                }
                // Just track the user's movement
                setTriggerPercentage(mAccelerateInterpolator.getInterpolation(yDiff / mDistanceToTriggerSync));
                updatePositionTimeout();
                handled = true;
            }
        }
        break;
    case MotionEvent.ACTION_UP:
    case MotionEvent.ACTION_CANCEL:
        mUserInteracting = false;
        if (mDownEvent != null) {
            mDownEvent.recycle();
            mDownEvent = null;
        }
        break;
    }
    return handled;
}

From source file:edu.uark.spARK.SwipeDismissListViewTouchListener.java

@Override
public boolean onTouch(View view, MotionEvent motionEvent) {
    if (mViewWidth < 2) {
        mViewWidth = mListView.getWidth();
    }/*from   w  w  w  .  ja v a2 s.com*/
    switch (motionEvent.getActionMasked()) {
    case MotionEvent.ACTION_DOWN: {
        mPaused = false;
        longClickActive = false;
        //                if (mPaused) {
        //                    return false;
        //                }

        // TODO: ensure this is a finger, and set a flag

        // Find the child view that was touched (perform a hit test)
        Rect rect = new Rect();
        int childCount = mListView.getChildCount();
        int[] listViewCoords = new int[2];
        mListView.getLocationOnScreen(listViewCoords);
        int x = (int) motionEvent.getRawX() - listViewCoords[0];
        int y = (int) motionEvent.getRawY() - listViewCoords[1];
        View child;

        //ignore header views
        for (int i = 1; i < childCount; i++) {
            child = mListView.getChildAt(i);
            child.getHitRect(rect);
            if (rect.contains(x, y)) {
                mDownView = child;
                break;
            }
        }
        if (mDownView != null) {
            mDownView = mDownView.findViewById(R.id.table);
            mDownX = motionEvent.getRawX();
            //TODO: really need to figure out why npe is happening here
            try {
                mDownPosition = mListView.getPositionForView(mDownView);
            } catch (NullPointerException npe) {
                //why does this keep happening?
                npe.printStackTrace();
            }
            if (mCallbacks.canDismiss(mDownPosition)) {
                mVelocityTracker = VelocityTracker.obtain();
                mVelocityTracker.addMovement(motionEvent);
            } else {
                mDownView = null;
            }
        }
        view.onTouchEvent(motionEvent);
        return true;
    }

    case MotionEvent.ACTION_UP: {
        if (longClickActive) {
            RelativeLayout darkenTop = (RelativeLayout) mListView.getRootView()
                    .findViewById(R.id.darkenScreenTop);
            ImageView darkenBottom = (ImageView) mListView.getRootView().findViewById(R.id.darkenScreenBottom);
            darkenTop.animate().alpha(0).setDuration(mAnimationTime).setListener(null);
            darkenBottom.animate().alpha(0).setDuration(mAnimationTime).setListener(null);
            if (mVelocityTracker == null) {
                break;
            }
            float deltaX = motionEvent.getRawX() - mDownX;
            mVelocityTracker.addMovement(motionEvent);
            mVelocityTracker.computeCurrentVelocity(1000);
            float velocityX = mVelocityTracker.getXVelocity();
            float absVelocityX = Math.abs(velocityX);
            float absVelocityY = Math.abs(mVelocityTracker.getYVelocity());
            boolean dismiss = false;
            boolean dismissRight = false;
            if (Math.abs(deltaX) > mViewWidth / 2) {
                dismiss = true;
                dismissRight = deltaX > 0;
            } else if (mMinFlingVelocity <= absVelocityX && absVelocityX <= mMaxFlingVelocity
                    && absVelocityY < absVelocityX) {
                // dismiss only if flinging in the same direction as dragging
                dismiss = (velocityX < 0) == (deltaX < 0);
                dismissRight = mVelocityTracker.getXVelocity() > 0;
            }
            if (dismiss) {
                // dismiss
                dismiss(mDownView, mDownPosition, dismissRight);
            } else {
                // cancel
                mDownView.animate().translationX(0).alpha(1).setDuration(mAnimationTime).setListener(null);
            }
            mVelocityTracker.recycle();
            mVelocityTracker = null;
            mDownX = 0;
            mDownView = null;
            mDownPosition = ListView.INVALID_POSITION;
            mSwiping = false;
        }
        break;
    }

    case MotionEvent.ACTION_CANCEL: {
        longClickActive = false;
        mPaused = false;
        RelativeLayout darkenTop = (RelativeLayout) mListView.getRootView().findViewById(R.id.darkenScreenTop);
        ImageView darkenBottom = (ImageView) mListView.getRootView().findViewById(R.id.darkenScreenBottom);

        darkenTop.animate().alpha(0).setDuration(mAnimationTime).setListener(null);
        darkenBottom.animate().alpha(0).setDuration(mAnimationTime).setListener(null);

        if (mVelocityTracker == null) {
            break;
        }

        if (mDownView != null) {
            // cancel
            mDownView.animate().translationX(0).alpha(1).setDuration(mAnimationTime).setListener(null);
        }
        mVelocityTracker.recycle();
        mVelocityTracker = null;
        mDownX = 0;
        mDownView = null;
        mDownPosition = ListView.INVALID_POSITION;
        mSwiping = false;
        break;
    }

    case MotionEvent.ACTION_MOVE: {
        if (mVelocityTracker == null || mPaused) {
            break;
        }
        if (longClickActive) {
            mVelocityTracker.addMovement(motionEvent);
            float deltaX = motionEvent.getRawX() - mDownX;
            //the if statement is allowing the listview to scroll until a sufficient deltaX is made, while we want swiping immediately 
            //                        if (Math.abs(deltaX) > mSlop) {
            mSwiping = true;
            mListView.requestDisallowInterceptTouchEvent(true);

            // Cancel ListView's touch (un-highlighting the item) which is not what we want
            MotionEvent cancelEvent = MotionEvent.obtain(motionEvent);
            cancelEvent.setAction(MotionEvent.ACTION_CANCEL
                    | (motionEvent.getActionIndex() << MotionEvent.ACTION_POINTER_INDEX_SHIFT));
            mListView.onTouchEvent(cancelEvent);
            cancelEvent.recycle();
            //                        }
            if (mSwiping) {

                mDownView.setTranslationX(deltaX);
                //we don't want the alpha to change
                //                    mDownView.setAlpha(Math.max(0.15f, Math.min(1f,
                //                            1f - 2f * Math.abs(deltaX) / mViewWidth)));
                return true;
            }
        }
        break;
    }
    }
    return false;
}

From source file:com.android.mail.browse.ConversationContainer.java

private void forwardFakeMotionEvent(MotionEvent original, int newAction) {
    MotionEvent newEvent = MotionEvent.obtain(original);
    newEvent.setAction(newAction);/*from w  w w.ja va  2 s.  c o m*/
    mWebView.onTouchEvent(newEvent);
    LogUtils.v(TAG, "in Container.OnTouch. fake: action=%d x/y=%f/%f pointers=%d", newEvent.getActionMasked(),
            newEvent.getX(), newEvent.getY(), newEvent.getPointerCount());
}

From source file:org.creativecommons.thelist.swipedismiss.SwipeDismissRecyclerViewTouchListener.java

@Override
public boolean onTouch(View view, MotionEvent motionEvent) {
    if (mViewWidth < 2) {
        mViewWidth = mRecyclerView.getWidth();
    }//w  ww  .  ja  v  a  2s  .c o  m

    switch (motionEvent.getActionMasked()) {
    case MotionEvent.ACTION_DOWN: {
        if (mPaused) {
            return false;
        }

        // TODO: ensure this is a finger, and set a flag

        // Find the child view that was touched (perform a hit test)
        Rect rect = new Rect();
        int childCount = mRecyclerView.getChildCount();
        int[] listViewCoords = new int[2];
        mRecyclerView.getLocationOnScreen(listViewCoords);
        int x = (int) motionEvent.getRawX() - listViewCoords[0];
        int y = (int) motionEvent.getRawY() - listViewCoords[1];
        View child;
        for (int i = 0; i < childCount; i++) {
            child = mRecyclerView.getChildAt(i);
            child.getHitRect(rect);
            if (rect.contains(x, y)) {
                mDownView = child;
                break;
            }
        }

        if (mDownView != null) {
            mDownX = motionEvent.getRawX();
            mDownY = motionEvent.getRawY();
            mDownPosition = mRecyclerView.getChildPosition(mDownView);
            if (mCallbacks.canDismiss(mDownPosition)) {
                mVelocityTracker = VelocityTracker.obtain();
                mVelocityTracker.addMovement(motionEvent);
            } else {
                mDownView = null;
            }
        }
        return false;
    } //OnTouch

    case MotionEvent.ACTION_CANCEL: {
        if (mVelocityTracker == null) {
            break;
        }

        if (mDownView != null && mSwiping) {
            // cancel
            //TODO: DOES THIS WORK
            animate(mDownView).translationX(0).alpha(1).setDuration(mAnimationTime).setListener(null);
        }
        mVelocityTracker.recycle();
        mVelocityTracker = null;
        mDownX = 0;
        mDownY = 0;
        mDownView = null;
        mDownPosition = ListView.INVALID_POSITION;
        mSwiping = false;
        mRefreshLayout.setEnabled(true);
        break;
    } //ACTION_CANCEL

    case MotionEvent.ACTION_UP: {
        if (mVelocityTracker == null) {
            break;
        }

        float deltaX = motionEvent.getRawX() - mDownX;
        mVelocityTracker.addMovement(motionEvent);
        mVelocityTracker.computeCurrentVelocity(1000);
        float velocityX = mVelocityTracker.getXVelocity();
        float absVelocityX = Math.abs(velocityX);
        float absVelocityY = Math.abs(mVelocityTracker.getYVelocity());
        //                float velocityX = Math.abs(mVelocityTracker.getXVelocity());
        //                float velocityY = Math.abs(mVelocityTracker.getYVelocity());
        boolean dismiss = false;
        boolean dismissRight = false;
        if (Math.abs(deltaX) > mViewWidth / 2 && mSwiping) {
            dismiss = true;
            dismissRight = deltaX > 0;
        } else if (mMinFlingVelocity <= absVelocityX && absVelocityX <= mMaxFlingVelocity
                && absVelocityY < absVelocityX && mSwiping) {
            // dismiss only if flinging in the same direction as dragging
            dismiss = (velocityX < 0) == (deltaX < 0);
            dismissRight = mVelocityTracker.getXVelocity() > 0;
        }
        if (dismiss && mDownPosition != ListView.INVALID_POSITION) {
            // dismiss
            final View downView = mDownView; // mDownView gets null'd before animation ends
            final int downPosition = mDownPosition;
            ++mDismissAnimationRefCount;
            //TODO: add animation lock
            //                    synchronized (mAnimationLock){
            //                        if(mAnimatedViews.contains(downView)){
            //                            break;
            //                        }
            //                        ++mDismissAnimationRefCount;
            //                        mAnimatedViews.add(downView);
            //                    }

            animate(mDownView).translationX(dismissRight ? mViewWidth : -mViewWidth).alpha(0)
                    .setDuration(mAnimationTime)
                    .setListener(new com.nineoldandroids.animation.AnimatorListenerAdapter() {
                        @Override
                        public void onAnimationEnd(com.nineoldandroids.animation.Animator animation) {
                            performDismiss(downView, downPosition);
                        }
                    });
        } else {
            // cancel
            animate(mDownView).translationX(0).alpha(1).setDuration(mAnimationTime).setListener(null);
        }
        mVelocityTracker.recycle();
        mVelocityTracker = null;
        mDownX = 0;
        mDownY = 0;
        mDownView = null;
        mDownPosition = ListView.INVALID_POSITION;
        mSwiping = false;
        mRefreshLayout.setEnabled(true);
        break;
    } //ACTION_UP

    case MotionEvent.ACTION_MOVE: {
        if (mVelocityTracker == null || mPaused) {
            break;
        }

        mVelocityTracker.addMovement(motionEvent);
        float deltaX = motionEvent.getRawX() - mDownX;
        float deltaY = motionEvent.getRawY() - mDownY;
        if (Math.abs(deltaX) > mSlop && Math.abs(deltaY) < Math.abs(deltaX) / 2) {
            mSwiping = true;
            mRefreshLayout.setEnabled(false);
            mSwipingSlop = (deltaX > 0 ? mSlop : -mSlop);
            mRecyclerView.requestDisallowInterceptTouchEvent(true);

            // CancelLogin ListView's touch (un-highlighting the item)
            MotionEvent cancelEvent = MotionEvent.obtain(motionEvent);
            cancelEvent.setAction(MotionEvent.ACTION_CANCEL
                    | (motionEvent.getActionIndex() << MotionEvent.ACTION_POINTER_INDEX_SHIFT));
            mRecyclerView.onTouchEvent(cancelEvent);
            cancelEvent.recycle();
        }

        if (mSwiping) {
            mDownView.setTranslationX(deltaX - mSwipingSlop);
            mDownView.setAlpha(Math.max(0f, Math.min(1f, 1f - 2f * Math.abs(deltaX) / mViewWidth)));
            return true;
            //                    setTranslationX(mDownView, deltaX);
            //                    setAlpha(mDownView, Math.max(0f, Math.min(1f,
            //                            1f - 2f * Math.abs(deltaX) / mViewWidth)));
            //                    return true;
        }
        break;
    }
    }
    return false;
}

From source file:org.duncavage.swipetorefresh.widget.SwipeRefreshLayout.java

@Override
public boolean onTouchEvent(MotionEvent event) {
    final int action = event.getAction();
    boolean handled = false;
    switch (action) {
    case MotionEvent.ACTION_DOWN:
        mCurrPercentage = 0;/*  w  w  w  . j a v a2 s.c  o  m*/
        mDownEvent = MotionEvent.obtain(event);
        break;
    case MotionEvent.ACTION_MOVE:
        if (mHasRefreshed || isRefreshing()) {
            // We've already triggered a refresh once during this gesture.
            return false;
        }
        if (mDownEvent != null) {
            final float eventY = event.getY();
            float yDiff = eventY - mDownEvent.getY();
            if (yDiff > mTouchSlop) {
                // User velocity passed min velocity; trigger a refresh
                if (yDiff > mDistanceToTriggerSync) {
                    // User movement passed distance; trigger a refresh
                    startRefresh();
                    mHasRefreshed = handled = true;
                    break;
                } else {
                    // Just track the user's movement
                    setTriggerPercentage(
                            mAccelerateInterpolator.getInterpolation(yDiff / mDistanceToTriggerSync));
                    updatePositionTimeout();
                    handled = true;
                }
            }
        }
        break;
    case MotionEvent.ACTION_UP:
    case MotionEvent.ACTION_CANCEL:
        if (mDownEvent != null) {
            mDownEvent.recycle();
            mDownEvent = null;
        }
        removeCallbacks(mCancel);
        if (mHasRefreshed) {
            // If we've already refreshed, just unset the flag.
            // No need to run the cancel runnable;
            mHasRefreshed = false;
        } else {
            mCancel.run();
        }
        break;
    }
    return handled;
}

From source file:com.kescoode.android.widget.SwipeRefreshLayout.java

@Override
public boolean onTouchEvent(MotionEvent event) {
    final int action = event.getAction();
    boolean handled = false;
    switch (action) {
    case MotionEvent.ACTION_DOWN:
        mCurrPercentage = 0;//from w  w  w . jav a2 s .c  o m
        mDownEvent = MotionEvent.obtain(event);
        mPrevY = mDownEvent.getY();
        break;
    case MotionEvent.ACTION_MOVE:
        if (mDownEvent != null && !mReturningToStart) {
            final float eventY = event.getY();
            float yDiff = eventY - mDownEvent.getY();
            if (yDiff > mTouchSlop) {
                // User velocity passed min velocity; trigger a refresh
                if (yDiff > mDistanceToTriggerSync) {
                    // User movement passed distance; trigger a refresh
                    startRefresh();
                    handled = true;
                    break;
                } else {
                    // Just track the user's movement
                    setTriggerPercentage(
                            mAccelerateInterpolator.getInterpolation(yDiff / mDistanceToTriggerSync));
                    float offsetTop = yDiff;
                    // if (mPrevY > eventY) {
                    //     offsetTop = yDiff - mTouchSlop;
                    // }
                    updateContentOffsetTop((int) (offsetTop));
                    if (mPrevY > eventY && (mTarget.getTop() < mTouchSlop)) {
                        // If the user puts the view back at the top, we
                        // don't need to. This shouldn't be considered
                        // cancelling the gesture as the user can restart from the top.
                        removeCallbacks(mCancel);
                    } else {
                        updatePositionTimeout();
                    }
                    mPrevY = event.getY();
                    handled = true;
                }
            }
        }
        break;
    case MotionEvent.ACTION_UP:
    case MotionEvent.ACTION_CANCEL:
        if (mDownEvent != null) {
            mDownEvent.recycle();
            mDownEvent = null;
        }
        break;
    }
    return handled;
}

From source file:com.gcloud.gaadi.chat.SwipeRefreshLayout.java

@Override
public boolean onTouchEvent(MotionEvent event) {
    final int action = event.getAction();
    boolean handled = false;
    switch (action) {
    case MotionEvent.ACTION_DOWN:
        mCurrPercentage = 0;//  www.  j av a  2  s .co  m
        mDownEvent = MotionEvent.obtain(event);
        mPrevY = mDownEvent.getY();
        break;
    case MotionEvent.ACTION_MOVE:
        if (mDownEvent != null && !mReturningToStart) {
            final float eventY = event.getY();
            float yDiff = eventY - mDownEvent.getY();
            if (yDiff > mTouchSlop) {
                // User velocity passed min velocity; trigger a refresh
                if (yDiff > mDistanceToTriggerSync) {
                    // User movement passed distance; trigger a refresh
                    startRefresh();
                    handled = true;
                    break;
                } else {
                    // Just track the user's movement
                    setTriggerPercentage(
                            mAccelerateInterpolator.getInterpolation(yDiff / mDistanceToTriggerSync));
                    float offsetTop = yDiff;
                    if (mPrevY > eventY) {
                        offsetTop = yDiff - mTouchSlop;
                    }
                    updateContentOffsetTop((int) (offsetTop));
                    if (mPrevY > eventY && (mTarget.getTop() < mTouchSlop)) {
                        // If the user puts the view back at the top, we
                        // don't need to. This shouldn't be considered
                        // cancelling the gesture as the user can restart
                        // from the top.
                        removeCallbacks(mCancel);
                    } else {
                        updatePositionTimeout();
                    }
                    mPrevY = event.getY();
                    handled = true;
                }
            }
        }
        break;
    case MotionEvent.ACTION_UP:
    case MotionEvent.ACTION_CANCEL:
        if (mDownEvent != null) {
            mDownEvent.recycle();
            mDownEvent = null;
        }
        break;
    }
    return handled;
}

From source file:com.swiperefreshlayout.SwipeRefreshLayout.java

@Override
public boolean onTouchEvent(MotionEvent event) {
    if (mDistanceToTriggerSync == -1) {
        mDistanceToTriggerSync = mRefreshIndicatorHeight;
    }//from   w  w w. ja  va2 s. c om
    final int action = event.getAction();
    boolean handled = false;
    switch (action) {
    case MotionEvent.ACTION_DOWN:
        mCurrPercentage = 0;
        mDownEvent = MotionEvent.obtain(event);
        mPrevY = mDownEvent.getY();
        break;
    case MotionEvent.ACTION_MOVE:
        if (mDownEvent != null && !mReturningToStart && !mRefreshing) {
            final float eventY = event.getY();
            float yDiff = eventY - mDownEvent.getY();
            if (yDiff > mDistanceToTriggerSync * 1.5) {
                yDiff = (float) (mDistanceToTriggerSync * 1.5);
            }
            if (yDiff > mTouchSlop || mPulling) {
                mPulling = true;
                if (mCurrentTargetOffsetTop + eventY - mPrevY - mOriginalOffsetTop > mDistanceToTriggerSync) {
                    if (mListener != null)
                        mListener.canRefresh();
                } else if (mListener != null) {
                    mListener.canNotRefresh();
                }
                setTriggerPercentage(mAccelerateInterpolator.getInterpolation(yDiff / mDistanceToTriggerSync));
                float offsetTop = mCurrentTargetOffsetTop + (eventY - mPrevY) / 2;
                updateContentOffsetTop((int) (offsetTop));
                handled = true;
            }
            mPrevY = event.getY();
        }
        break;
    case MotionEvent.ACTION_UP:
        if (mDownEvent != null && !mReturningToStart && !mRefreshing) {
            mPulling = false;
            final float eventY = event.getY();
            float offsetTop = mCurrentTargetOffsetTop + eventY - mPrevY;
            updateContentOffsetTop((int) (offsetTop));
            if (mDownEvent != null && !mReturningToStart) {
                if (mCurrentTargetOffsetTop - mOriginalOffsetTop > mDistanceToTriggerSync) {
                    // User movement passed distance; trigger a refresh
                    startRefresh();
                    handled = true;
                    break;
                } else {
                    mCancel.run();
                    break;
                }
            }
        }
        break;
    case MotionEvent.ACTION_CANCEL:
        mPulling = false;
        if (mDownEvent != null) {
            mDownEvent.recycle();
            mDownEvent = null;
        }
        mCancel.run();
        break;
    }
    return handled;
}

From source file:com.am.pullview.swiperefresh.SwipeRefreshLayout.java

@Override
public boolean onTouchEvent(MotionEvent event) {
    final int action = event.getAction();
    boolean handled = false;
    switch (action) {
    case MotionEvent.ACTION_DOWN:
        mCurrPercentage = 0;//w  w w .j ava  2 s. com
        mDownEvent = MotionEvent.obtain(event);
        mPrevY = mDownEvent.getY();
        break;
    case MotionEvent.ACTION_MOVE:
        if (mDownEvent != null && !mReturningToStart) {
            final float eventY = event.getY();
            float yDiff = eventY - mDownEvent.getY();
            if (yDiff > mTouchSlop) {
                // User velocity passed min velocity; trigger a refresh
                if (yDiff > mDistanceToTriggerSync) {
                    // User movement passed distance; trigger a refresh
                    startRefresh();
                    handled = true;
                    break;
                } else {
                    // Just track the user's movement
                    setTriggerPercentage(
                            mAccelerateInterpolator.getInterpolation(yDiff / mDistanceToTriggerSync));
                    float offsetTop = yDiff;
                    if (mPrevY > eventY) {
                        offsetTop = yDiff - mTouchSlop;
                    }
                    updateContentOffsetTop((int) (offsetTop));
                    if (mPrevY > eventY && (mTarget.getTop() < mTouchSlop)) {
                        // If the user puts the view back at the top, we
                        // don't need to. This shouldn't be considered
                        // cancelling the gesture as the user can restart from the top.
                        removeCallbacks(mCancel);
                    } else {
                        updatePositionTimeout();
                    }
                    mPrevY = event.getY();
                    handled = true;
                }
            }
        }
        break;
    case MotionEvent.ACTION_UP:
    case MotionEvent.ACTION_CANCEL:
        if (mDownEvent != null) {
            mDownEvent.recycle();
            mDownEvent = null;
        }
        break;
    }
    return handled;
}